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问题 选择题

2012年1月1日，“中国—东盟自由贸易区”成立2周年。按照协议，成员国90%的贸易商品实行零关税。如果以前中国一件10元人民币的N商品出口到东盟成员国T国的关税为4%，本外币间的汇率为1:5。该商品实行零关税后，中国生产N商品的劳动生产率提高了25%，其他条件不变，则一件N商品在实行零关税之前和之后出口到T国的价格用T国的货币单位表示分别为（ ）元

A．50 40

B．52 40

C．40 50　

D．40 52

答案

答案：B

题目分析：当东盟成员国T国的关税为4%，本外币间的汇率为1:5时。中国一件N商品在实行零关税之前的价格用T国的货币单位表示为：10*（1+4%）*5="52." 当该商品实行零关税后，中国生产N商品的劳动生产率提高了25%时。根据商品价值量与社会劳动生产率成反比。中国一件N商品在实行零关税之后的价格用T国的货币单位表示为：10/（1+25%）*5=40.因此正确答案是B。

单项选择题

减少失调的购买行为的特点是（）。

A.品牌差异大，参与程度高

B.品牌差异小，参与程度高

C.品牌差异小，参与程度低

D.品牌差异大，参与程度低
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填空题

The central problem of economics is to satisfy the people’s and nation’s wants. The problem we are faced with is that our (1) , here identified as money, are (2) . The only way we can resolve our (3) is to make choices. After looking at our resources, we must examine our list of (4) and identify the things we need (5) , those we can postpone, and (6) we cannot afford. As individuals, we face the central problem involved in economics — deciding just how to allocate our limited resources to provide ourselves with the greatest (7) of our wants.
Nations face the same problem. As a country’s population (8) , the need for more goods and services grows (9) . Resources necessary to production may increase, but there are (10) enough resources to satisfy the total desires of a (11) . Whether the budget meeting is taking place in the family living-room, in the conference room of the corporation (12) of directors, or in the chamber of the House of Representatives in Washington, the basic problem still exists. We need to find (13) of allocating limited resources in order to satisfy unlimited wants.
A short time ago, economists divided goods into two categories, free and economic. The former, like air and water, were in (14) abundance that economists had no concern about (15) of scarcity and what to do about it. Today many of these "free goods" are in (16) very expensive to use. Pollution has made clean air and water expensive for producers who have to filter their waste products, for consumers who ultimately pay for the producers’ extra costs, and (17) tax-payers who pay for the government’s involvement in cleaning the environment.
In the 1990s, almost all goods are (18) . Only by effort and money can they be (19) in the form people wish.
Meeting the needs of people and the demands from resources available leads to the basic activity of production. In trying to (20) unlimited wants from limited economic goods, production leads to new problems in economics.
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